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Organization and Summary of Accounting Policies - Schedule of Revenues by Service Type (Details) - Revenue source - Revenue | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue from External Customer [Line Items] |  |  |  |
Revenue by service type as a proportion of total revenues (percent) | 100.00% | 100.00% | 100.00% | 100.00%
Patient service revenues |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue by service type as a proportion of total revenues (percent) | 97.20% | 97.70% | 97.40% | 98.10%
Other service revenues |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenue by service type as a proportion of total revenues (percent) | 2.80% | 2.30% | 2.60% | 1.90%

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